CCNA 640-607 Practice Exam

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  • 8/11/2019 CCNA 640-607 Practice Exam

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    CCNA 640-607 Practice Exam One

    This exam (CCNA 640-607 Practice Exam One)and Extra CCNA 640-607 Q and

    A coers the t!"es o# $%estions that !o% are most &i'e&! to see on

    !o%r CCNA 640-607 exam eca%se the! coer "oints that Cisco #ee&s are

    im"ortant *o% sho%&d read each $%estion+ ans,er+ and ex"&anation (i#

    aai&a&e) and then research the to"ic o# the $%estion more thoro%h&!

    to ma'e s%re !o% %nderstand it com"&ete&! .e hih&! recommend that !o%

    st%d! exams T,o+ Three+ /o%r+ /ie+ and ix a#ter st%d!in this exam

    and Extra CCNA 640-607 Q and A eca%se the! sho%&d coer "ractica&&!

    eer!thin that !o% miht #ind in a CCNA 640-607 exam

    Which command would you use to display traffic statistics on serial0?

    A. display interface serial0B. show interface serial0C. show serial0 statisticsD. show interface serial0 statistics

    Answer: B

    Use the Routershow interface serial0! command to display trafficstatistics on serial0. "he other commands are in#alid. "he followin$ isan e%ample. &ou will notice that this command will show 'roadcasts(incomin$ and out$oin$ pac)ets( etc. on this interface if the interfaceis up *this one isn+t up( so nothin$ is $oin$ in or out,:

    2501#sh interface serial0Serial0 is down line !rotocol is down "ardware is "64570 $nternet address is 172%16%20%&'24 ()* 1500 +,tes . 1544 /+it 20000 sec rel, 255'255 load 1'255 Enca!slation "C loo!+ac3 not set 3ee!alie set 10 sec

    ast in!t neer ot!t neer ot!t an8 neer ast clearin8 o9 :sow inter9ace: conters neer $n!t ;ee< 0'75'0 si=e'max'dro!s> )otal ot!t dro!s< 0 ?eein8 strate8,< wei8ted 9air Ot!t ;ee< 0'1000'64'0 si=e'max total'tresold'dro!s Conersations 0'0'256 actie'max actie'max total @esered Conersations 0'0 allocated'max allocated 5 minte in!t rate 0 +its'sec 0 !ac3ets'sec 5 minte ot!t rate 0 +its'sec 0 !ac3ets'sec 0 !ac3ets in!t 0 +,tes 0 no +99er @eceied 0 +roadcasts 0 rnts 0 8iants 0 trottles 0 in!t errors 0 C@C 0 9rame 0 oerrn 0 i8nored 0 a+ort 0 !ac3ets ot!t 0 +,tes 0 nderrns 0 ot!t errors 0 collisions 1 inter9ace resets

    0 ot!t +99er 9ailres 0 ot!t +99ers swa!!ed ot 0 carrier transitions Cdown S@down )@down @)Sdown C)Sdown

    2501#

    What does the Base! mean in -0Base"?

    1Copyright 2000 - 2002 CCxx Productions. All rights reserved. Do not duplicate orredistribute in any form.

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    CCNA 640-607 Practice Exam One

    A. Ca'le typeB. peedC. pectrum usedD. i$nal type

    Answer: D

    "he Base! in -0Base" refers to the Base'and si$nalin$ method . /thernetdefined 'ase'and technolo$y( which means that when a station doestransmit( it will use the entire 'andwidth on the wire and will notshare it.

    Which statement re$ardin$ D1 is true:

    A. D1 pro#ides data onlyB. D1 pro#ides #oice and dataC. "he standard defines hardware plus call setup schemes throu$h end2

    to2end connecti#ityD. User recei#es more 'andwidth with leased line of 34) than with

    multiple B channels

    Answer: B

    D1 *nte$rated er#ices Di$ital 1etwor), is a di$ital ser#ice desi$nedto run o#er e%istin$ telephone networ)s. t can support #oice( #ideo(and data simultaneously. t has faster call setup than a modem and alsohas faster data rates than a modem connection.

    "here are three switchin$ modes: Cut2throu$h( store2and2forward( and amodified #ersion of cut2throu$h. Re$ardin$ this modified #ersion( whichof the followin$ is true?

    A. tore2and2forward has a lower latencyB. Cut2throu$h has a hi$her latencyC. t waits until 305 of the data in the pac)et has come into the switch

    'efore forwardin$ itD. t waits until the data portion of the pac)et reaches the switch

    'efore forwardin$ it

    Answer: D

    "he modified #ersion of cut2throu$h switchin$ is called 6ra$ment6ree. twill wait until the first 47 'ytes of the pac)et pass throu$h the switch'efore forwardin$ it. "he data portion of the pac)et 'e$ins after the 47'ytes. "his switchin$ method is the default for Cisco -800 seriesswitches. tore2and2forward has a hi$her latency than 6ra$ment6ree'ecause it copies the whole frame onto its on'oard 'uffers and thencomputes a cyclic redundancy chec) *CRC, 'efore forwardin$ it. Cut2throu$h has a lower latency 'ecause it only copies the destinationaddress of the frame onto its on'oard 'uffers 'efore forwardin$ it.

    2Copyright 2000 - 2002 CCxx Productions. All rights reserved. Do not duplicate orredistribute in any form.

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    CCNA 640-607 Practice Exam One

    Which of the followin$ commands would you use if you wanted to ad#ertisethe -88.79.;.0 networ) usin$ the R< protocol?

    A. RouterA*confi$,router networ) -88.79.;.0B. RouterA*confi$,rip networ) -88.79.;.0C. RouterA*confi$2router,networ) -88.79.;.0D. RouterA*confi$2router,rip networ) -88.79.;.0

    Answer: C

    After you add the R< routin$ protocol to the router usin$ theRouterA*confi$,router rip! command( you are ta)en to router2confi$mode where you can choose to ad#ertise the networ) -88.79.;.0 'y usin$the command RouterA*confi$2router,networ) -88.79.;.0!.

    =ow does the store2and2forward switchin$ method wor)?

    A. Copies 305 of the frame onto its on'oard 'uffers 'efore forwardin$

    the frameB. Discards frames if they are runts or $iantsC. Copies only the destination address in the frame 'efore forwardin$

    the frameD. Copies the first 47 'ytes of the frame and chec)s it for

    fra$mentation 'efore forwardin$ the frame

    Answer: B

    "he store2and2forward switchin$ method copies the whole frame onto itson'oard 'uffers and computes a CRC *cyclic redundancy chec), 'eforeforwardin$ the frame. >atency throu$h the switch #aries with the framelen$th. "his switchin$ method will discard frames if they are runts*less than 47 'ytes includin$ the CRC, or $iants *more than -3-; 'ytesincludin$ the CRC,. t is the mode used on the Cisco Catalyst 3000switches and cannot 'e modified on the switch.

    Which WA1 >in) Data2>in) protocols support multiple upper layerprotocols? Choose two.

    A.

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    CCNA 640-607 Practice Exam One

    What are the three parts to a connection2oriented session?

    A. call setupB. three2way handsha)eC. data transferD. call termination/. DDR

    Answer: A( C( and D

    A connection2oriented session reuires a #irtual circuit. "he 'estanswers would 'e call setup( data transfer( and call termination 'ecausea switched #irtual circuit reuires these. While a connection2orientedsession is also called a three2way handsha)e!( this uestion reuiresthree answers.

    What is 'ac)off on an ;09.@ networ)?

    A. When two pac)ets are sent and collide with each otherB. "he delay 'etween a collision and when the station retransmitsC. "he connection 'etween the 1C card and the hu'D.

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    CCNA 640-607 Practice Exam One

    A. "hrou$h a router that can run >B. "his type of communication can not ta)e placeC. By usin$ >A1 "run) A1 *which is communication 'etween different >A1as opposed to intra2>A1( which means within the same >A1,communication to ta)e place( a layer2@ de#ice is a'solutely necessary.f you+re usin$ a router( it must 'e a'le to support > *nter2witch>in), in this case.

    What do Cisco Catalyst switches use to pre#ent loops?

    A. route poisonin$B. hold down timersC. pannin$2"ree

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    CCNA 640-607 Practice Exam One

    A. tore2and2forwardB. Cut2throu$hC. 6ra$ment2freeD. 6ra$ment2throu$h

    Answer: A

    "he store2and2forward switchin$ method copies the whole frame onto itson'oard 'uffers and computes a CRC *cyclic redundancy chec), 'eforeforwardin$ the frame. >atency throu$h the switch #aries with the framelen$th.

    Which two of the followin$ descri'e frame ta$$in$? Choose two.

    A. A uniue D is placed in the header of each frame as it tra#ersesthe switch fa'ric

    B. "he 'uildin$ of filter ta'lesC. t e%amines particular info a'out each frameD. A user2assi$ned D is defined to each frame

    Answer: A and D

    6rame ta$$in$ places a uniue identifier in the header of each frame."his is sometimes referred to as a >A1 D or color. t functions at theData2>in) layer and identifies the user and what >A1 the user is amem'er of.

    What one of the followin$ is the transport layer protocol?

    A. A1 parametersD. confi$ure DDR on the >A1

    Answer: B

    &ou must send interestin$ traffic across the lin) to test connecti#ityon a dial2on2demand *DDR, routin$ lin). "he DDR lin) is idle until it istri$$ered to start sendin$ interestin$ traffic o#er the lin).

    Which of followin$ statements re$ardin$ switchin$ are true? Choose two.

    A. tore2and2forward switchin$ wor)s at wire speedB. Cut2throu$h2switchin$ wor)s at wire speedC. tore2and2forward switchin$ creates #aria'le latency throu$h theswitchD. Cut2throu$h switchin$ creates #aria'le latency throu$h the switch

    Answer: B and C

    "he store2and2forward switchin$ method copies the whole frame onto itson'oard 'uffers and computes a CRC *cyclic redundancy chec), 'eforeforwardin$ the frame. >atency throu$h the switch #aries with the framelen$th. "his switchin$ method will discard frames if they are runts

    *less than 47 'ytes includin$ the CRC, or $iants *more than -3-; 'ytesincludin$ the CRC,. t is the mode used on the Cisco Catalyst 3000switches and cannot 'e modified on the switch. Cut2throu$h wor)s at wirespeed and has a lower latency 'ecause it only copies the destinationaddress of the frame onto its on'oard 'uffers 'efore forwa